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Looking for some help troubleshooting this furnace blower issue!Carrier Model 58CTX070Furnace is not delivering much air to supply grills and is shutting itself off every 10 minutes.Why is it not…Continue

Does anybody know what the decoding formula is for a Takagi T-K2 Flash Water Heater? Can't seem to find Takagi products on my regular decoding lists. Serial # 15023932.Also have a what looks to be a…Continue

Started this discussion. Last reply by Om Builder & construction Aug 25, 2013.

"Turns out it was the capacitor.
Installed a new one and all systems are back on track.
Total static pressure is up to 0.46 wc now.
Temp rise is down to 51°F.
High limit switch is no longer tripping.
Fan motor seems
$5 part.
Happy client."

"I get 440 volt Capacitor, now with lack of size lack of oil in new caps the leads over heat and burn out. new caps are just 1/5 the size of 25 yr ago.
If the end play is to much the OHM change when moving the shaft and…"

"replace the motor from a PSC with an after market ECM evergreen or like. You may have to change braket or holder for the motor as the ECM take more tork and brake welds. eff changes from 25-35% to 60-75%. If the SP is…"

"It's possible but unlikely for a motor to damage the capacitor. A bad cap can burn up a motor if not promptly replaced. Capacitors are under $15, buy one and put it in. The capacitor is definitely bad according to your test. You should always…"

"No AC coil on this unit. Just a gas burner and heat exchanger.
Supply SP is 0.035 wc.
Return SP is 0.070 wc.
Amp draw on the motor:
@ black wire: 7.2 and falling. Went down to 5.35 amps while I was watching.
@ yellow…"

"I'm thinking your static reading may be off, are you testing below or above the A-coil? Pressure drop across the coil alone should be more than .1". What is the amp draw on the motor? Does the motor seem to be "running hard",…"

Looking for some help troubleshooting this furnace blower issue!Carrier Model 58CTX070Furnace is not delivering much air to supply grills and is shutting itself off every 10 minutes.Why is it not moving enough airHere are the results of my initial tests:Tripping the Limit SwitchError code = 33After 5 minutes of heat.Supply air temp climbs to 175 FTemp rise is over 100 degrees at low settingDesign is 30-60 degrees for temp riseAfter furnace cools, the limit switch appears to close again, and the…See More

Looking for some help troubleshooting this furnace blower issue!Carrier Model 58CTX070Furnace is not delivering much air to supply grills and is shutting itself off every 10 minutes.Why is it not moving enough airHere are the results of my initial tests:Tripping the Limit SwitchError code = 33After 5 minutes of heat.Supply air temp climbs to 175 FTemp rise is over 100 degrees at low settingDesign is 30-60 degrees for temp riseAfter furnace cools, the limit switch appears to close again, and the…See More

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